If you fall back on something, you do it or use it after other things have failed .
fall down on
to fail or be unsuccessful in (a job, etc.)
fall on deaf ears
if something you say to someone falls on deaf ears, they take no notice of what you have said
fall on one's feet
to emerge unexpectedly well from a difficult situation
fall on your feet
to find yourself in a good situation, which you think is the result of luck and not your own efforts
fall on stony ground
to be ignored
fall flat on one's face
to fail , esp in a ridiculous or humiliating manner
fall flat on your face
to fail or make an embarrassing mistake when you try to do something
to fall on your feet to land on your feet
If you say that someone always falls or lands on their feet , you mean that they are always successful or lucky , although they do not seem to achieve this by their own efforts .
to fall on deaf ears to turn a deaf ear
If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.
fall on
phrasal verb
If you fall on something when it arrives or appears, you eagerly seize it or welcome it.
They fell on the sandwiches with alacrity. [VERBPARTICLE noun]
See full dictionary entry for fall
fall on in British English
verb(intr, preposition)
1. Also: fall upon
to attack or snatch (an army, booty, etc)
2. fall flat on one's face
3. fall on one's feet
fall on in American English
or fall upon
1.
to attack
2.
to be the duty of
See full dictionary entry for fall
Examples of 'fall on' in a sentence
fall on
With dozens of insurers raking the ashes, rarely does the spotlight fall on a particular victim.
St. James, Ian FINAL RESORT
Bricks fall on our head, don't they - there's a clear sky, then clunk, the brick.
Gee, Maggie LOST CHILDREN
The man's blood must fall on the hearthstones of her mother's house for that mingling to be auspicious.
Robin Hobb THE GOLDEN FOOL: BOOK TWO OF THE TAWNY MAN (2002)
Rhodes took an involuntary step backward, as though fearing the thing would fall on him.